15821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// Copyright (c) 2011 The Chromium Authors. All rights reserved. 25821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// Use of this source code is governed by a BSD-style license that can be 35821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// found in the LICENSE file. 45821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 55821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#ifndef PPAPI_CPP_DEV_FONT_DEV_H_ 65821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#define PPAPI_CPP_DEV_FONT_DEV_H_ 75821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 85821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#include <string> 95821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 105821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#include "ppapi/c/dev/ppb_font_dev.h" 115821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#include "ppapi/cpp/resource.h" 125821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#include "ppapi/cpp/var.h" 135821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 145821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)struct PP_FontDescription_Dev; 155821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 165821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)namespace pp { 175821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 185821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)class ImageData; 195821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)class InstanceHandle; 205821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)class Point; 215821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)class Rect; 225821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 235821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// FontDescription_Dev --------------------------------------------------------- 245821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 255821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)class FontDescription_Dev { 265821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) public: 275821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) FontDescription_Dev(); 285821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) FontDescription_Dev(const FontDescription_Dev& other); 295821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) ~FontDescription_Dev(); 305821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 315821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) FontDescription_Dev& operator=(const FontDescription_Dev& other); 325821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 335821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) const PP_FontDescription_Dev& pp_font_description() const { 345821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) return pp_font_description_; 355821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) } 365821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 375821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) Var face() const { return face_; } 385821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) void set_face(const Var& face) { 395821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) face_ = face; 405821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) pp_font_description_.face = face_.pp_var(); 415821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) } 425821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 435821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) PP_FontFamily_Dev family() const { return pp_font_description_.family; } 445821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) void set_family(PP_FontFamily_Dev f) { pp_font_description_.family = f; } 455821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 465821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) uint32_t size() const { return pp_font_description_.size; } 475821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) void set_size(uint32_t s) { pp_font_description_.size = s; } 485821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 495821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) PP_FontWeight_Dev weight() const { return pp_font_description_.weight; } 505821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) void set_weight(PP_FontWeight_Dev w) { pp_font_description_.weight = w; } 515821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 525821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) bool italic() const { return PP_ToBool(pp_font_description_.italic); } 535821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) void set_italic(bool i) { pp_font_description_.italic = PP_FromBool(i); } 545821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 555821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) bool small_caps() const { 565821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) return PP_ToBool(pp_font_description_.small_caps); 575821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) } 585821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) void set_small_caps(bool s) { 595821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) pp_font_description_.small_caps = PP_FromBool(s); 605821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) } 615821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 625821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) int letter_spacing() const { return pp_font_description_.letter_spacing; } 635821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) void set_letter_spacing(int s) { pp_font_description_.letter_spacing = s; } 645821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 655821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) int word_spacing() const { return pp_font_description_.word_spacing; } 665821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) void set_word_spacing(int w) { pp_font_description_.word_spacing = w; } 675821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 685821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) private: 695821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) friend class Font_Dev; 705821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 715821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) Var face_; // Manages memory for pp_font_description_.face 725821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) PP_FontDescription_Dev pp_font_description_; 735821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)}; 745821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 755821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// TextRun_Dev ----------------------------------------------------------------- 765821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 775821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)class TextRun_Dev { 785821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) public: 795821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) TextRun_Dev(); 805821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) TextRun_Dev(const std::string& text, 815821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) bool rtl = false, 825821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) bool override_direction = false); 835821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) TextRun_Dev(const TextRun_Dev& other); 845821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) ~TextRun_Dev(); 855821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 865821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) TextRun_Dev& operator=(const TextRun_Dev& other); 875821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 885821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) const PP_TextRun_Dev& pp_text_run() const { 895821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) return pp_text_run_; 905821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) } 915821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 925821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) private: 935821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) Var text_; // Manages memory for the reference in pp_text_run_. 945821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) PP_TextRun_Dev pp_text_run_; 955821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)}; 965821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 975821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// Font ------------------------------------------------------------------------ 985821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 995821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// Provides access to system fonts. 1005821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)class Font_Dev : public Resource { 1015821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) public: 1025821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // Creates an is_null() Font object. 1035821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) Font_Dev(); 1045821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 1055821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) explicit Font_Dev(PP_Resource resource); 1065821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) Font_Dev(const InstanceHandle& instance, 1075821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) const FontDescription_Dev& description); 1085821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) Font_Dev(const Font_Dev& other); 1095821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 1105821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) Font_Dev& operator=(const Font_Dev& other); 1115821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 1125821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // PPB_Font methods: 1135821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) static Var GetFontFamilies(const InstanceHandle& instance); 1145821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) bool Describe(FontDescription_Dev* description, 1155821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) PP_FontMetrics_Dev* metrics) const; 1165821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) bool DrawTextAt(ImageData* dest, 1175821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) const TextRun_Dev& text, 1185821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) const Point& position, 1195821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) uint32_t color, 1205821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) const Rect& clip, 1215821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) bool image_data_is_opaque) const; 1225821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) int32_t MeasureText(const TextRun_Dev& text) const; 1235821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) uint32_t CharacterOffsetForPixel(const TextRun_Dev& text, 1245821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) int32_t pixel_position) const; 1255821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) int32_t PixelOffsetForCharacter(const TextRun_Dev& text, 1265821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) uint32_t char_offset) const; 1275821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 1285821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // Convenience function that assumes a left-to-right string with no clipping. 1295821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) bool DrawSimpleText(ImageData* dest, 1305821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) const std::string& text, 1315821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) const Point& position, 1325821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) uint32_t color, 1335821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) bool image_data_is_opaque = false) const; 1345821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 1355821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // Convenience function that assumes a left-to-right string. 1365821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) int32_t MeasureSimpleText(const std::string& text) const; 1375821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)}; 1385821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 1395821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} // namespace pp 1405821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 1415821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#endif // PPAPI_CPP_DEV_FONT_DEV_H_ 142